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T-3650 ~ T-56 swap with complete instructions

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03-11-2010, 01:03 PM

#31

Moonshine

5th Gear Member

Join Date: Nov 2008

Location: Wa

Posts: 2,293

Hrm... Something to look into in the future I guess. Pretty satisfied with my tranny as of yet. But if ever I need a new one for any reason...6 gears would be cool haha! Thanks bud!

05-09-2010, 02:19 PM

#32

UnsuspectedPower

Join Date: May 2010

Location: South Dakota

Posts: 3

same thing that i posted on youkairyu32's trans. swap thread. Now i have a question about my car. its not a mustang but has pretty much the same setup from the engine to the rear diff. Its a 1997 mercury grand marquis. i dont know about the ECM though if its the same or not. was planning on doing the swap in 2 years and wante to know if i could before i got all the parts. Dont know what model of transmission it is but i want to put in the t-56. The pedal cluster i am very unsure about. either pm me or reply. Thanks!

05-11-2010, 08:37 AM

#33

Jazzer The Cat

Retired Moderator

Thread Starter

Join Date: Jun 2006

Location: SF Bay Area

Posts: 9,235

The gear ratio is a subjective decision and will have to make a decision. I chose my #1260 due to the even "steps" between ALL the gears rather than the HUGE differential between 1st~2nd and 4th~5th. I would ask you to contact Bruce @ Moddern Driveline and ask about such a swap. I don't know if he can help you, but he will know much more than I.

As for pedal fitment and ECM changes... I have absolutely no idea.

Jazzer

07-15-2016, 01:13 PM

#34

sotom1

Join Date: Mar 2015

Location: Texas

Posts: 10

I want to make this swap as well. Thanks for the info

02-07-2018, 12:36 AM

#35

2vcontinued

Join Date: Feb 2018

Location: South Carolina

Posts: 1

Quote:

Originally Posted by Jazzer The Cat

Had a couple road trips now and can only say the following...

AWESOME!!!
Anyone considering this swap, is well advised to do so

1st~2nd is nice and smooth now, and less likely to get a herky-jerky as the ratio is much closer. That's not all folks, just check what's behind door #2... The loss of the 4th~5th gear gap

I am now able to cruise at 55 mph with no need to choose between 2600 rpm 4th or 1600 rpm 5th

With the new T-56, she now runs at 2200 rpm in 5th so have some power for those all those little hills in Marin Co.

I always hated having to drive a little faster than I would like JUST to retain some semblance of HP in 5th gear.

This is a spectacular upgrade and recommend it to anyone with the means to do so

Jazzer

Hey man. I'm thinking about doing this same swap into my 02 GT could u tell me wat all is needed as far as parts and modification. I know I'm going to need to change shifter, clutch, driveshaft, and crossmember but is there anything else as far as flywheel and what modification do I have to do to my clutch cable if any?